.theme {
  color: rgb(0,82,217);
}
.main {
  position: relative;
}
.main-content {
  margin: -220px 0 0 50%;
}
.main-content, .tab-content {
  transform: translate(-50%,0);
  width: 100%;
  max-width: 1300px;
  padding: 0 2.5%;
}
.main > div {
  width: 100%;
}
.main-content .operation-bar {
  display: flex;
  justify-content: space-between;
  padding: 40px 2.5%;
  border-bottom: 2px #fff solid;
}
.main-content .direction {
  display: flex;
  justify-content: space-between;
  width: 150px;
}
.main-content .operation-bar img {
  width: 60px;
  cursor: pointer;
}
.main-content .operation-bar img.arrow-left {
  transform: rotate(180deg);
}
.main-content .operation-bar ul {
  display: flex;
  justify-content: space-between;
  width: 70px;
}
.operation-bar li {
  width: 10px;
  height: 10px;
  cursor: pointer;
  background-color: #fff;
  transition: all 0.25s;
}

/* 最新动态 */
.news {
  padding: 10px 0;
}
.news .content {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.news h2 {
  padding: 10px 0;
  color: #fff;
}
.top-news-content {
  width: 66%;
  margin: 10px 0;
}
.top-news-content, .news-content {
  overflow: hidden;
  padding-bottom: 50px;
  transition: all 0.25s;
  /* border: 1px #000 solid; */
}
.top-news-content:hover, .news-content:hover {
  margin: 6px 0 14px 0;
  box-shadow: 0 5px 5px 1px rgb(224, 224, 224);
}
.full-img.top-news-content, .full-img.news-content {
  padding-bottom: 0;
}
.news-content {
  width: calc(33% - 10px);
  margin: 10px 0;
}
.news-content.with-top {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.news-content.with-top .text {
  border-top: none;
}
.dark-background {
  color:#fff;
}
.news .content .top-news-content .img-area, .content .news-content .img-area {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  cursor: pointer;
}
.news .content .top-news-content .img-area {
  height: 350px!important;
  border-bottom: 2px #fff solid;
}
.news .content .full-img.top-news-content .img-area, .content .full-img.news-content .img-area {
  height: 300px!important;
}
.news .content .news-content .img-area {
  height: 250px;
  border-bottom: 2px #fff solid;
}
.news .content img {
  object-fit: cover;
  width: 100%;
  height: 100%;
}
.news .content img:hover {
  transition: all 0.25s;
  transform: scale(1.05);
  border-bottom: 2px #fff solid;
}
.news .content .time-border {
  width: 140px;
  height: 30px;
  margin: 30px 0 0 10px;
  padding: 2px;
  border: 1px rgb(0,82,217) solid;
  transform: skew(-20deg) translate(-20px, 0);
}
.news .content .dark-background .time-border {
  border: 1px #fff solid;
  transform: skew(-20deg) translate(-20px, 0);
}
/* 日期文字 */
.news .content .time-border > div {
  padding: 0 25px;
  font-size: 14px;
  line-height: 25px;
  transform: skew(20deg) translate(15px, 0);
  color: rgb(0,82,217);
}
.news .content .dark-background .time-border > div {
  color: #fff;
}
.news .content h3 {
  padding: 20px 20px;
  font-size: 24px;
  font-weight: 400;
}
.news .content p {
  padding: 10px 20px;
}
.news .content .text h3, .content .text p {
  cursor: pointer;
}
.news .content .text:hover h3{
  color: rgb(0,82,217);
}
.news .content .dark-background .text:hover h3{
  color: #fff;
}

/* 最后两个文字在图片里面的动态 */
.top-news-content.full-img {
  position: relative;
}
img.resp{
  position: absolute;
  z-index: 10;
  height: 100%;
  transition: all 0.25s;
}
.img-area:hover img.resp{
  transform: scale(1.05);
}
.gradient {
  position: absolute;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(to right, rgb(71,71,71,1), rgb(255,255,255,0));
  z-index: 99;
}
.full-img .text {
  position: absolute;
  z-index: 100;
  height: 100%;
}
.top-news-content.full-img .text {
  padding: 100px 50px;
  width:80%;
}
.news-content.full-img .text {
  padding: 120px 0;
  width:100%;
}
.full-img .text h3 {
  padding: 10px 20px;
}
.play-btn, .triangle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 110;
}
.play-btn {
  width: 70px;
  height: 70px;
  border-radius: 35px;
  background-color: rgb(255, 255, 255, .9);
  transition: all 0.25s;
}
.play-btn .triangle {
  width: 0;
  border-left: 15px solid rgb(0, 82, 217, .9);
  border-top: 10px solid transparent;
  border-bottom: 10px solid transparent;
}
.video:hover .play-btn{
  background-color: rgb(0, 82, 217, .9);
}
.video:hover .play-btn .triangle {
  border-left: 15px solid rgb(255, 255, 255, .9);
}
video { 
  object-fit: cover;
  width: 100%;
  height: 100%;
}
/* 公司信息部分 */
.company {
  display: flex;
  justify-content: space-between;
  margin-top: 80px;
  width: 100%;
  padding: 30px 0;
}
.company > div {
  position: relative;
  width: calc(33% - 10px);
  max-height: 220px;
  overflow: hidden;
  object-fit: cover;
  color: #fff;
}
.company > div img {
  width: 100%;
}
.company .cover {
  position: absolute;
  z-index: 10;
  width: 100%;
  height: 100%;
  max-height: 220px;
}
.company .text {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 50;
  transform: translate(-50%, -50%);
}
.company .text h3 {
  font-size: 32px;
  font-weight: 400;
}
.company .underline {
  margin-top: 10px;
  width: 0;
  height: 2px;
  background-color: #fff;
}
.company > div img, .company .underline, .company .cover {
  transition: all 0.25s;
}
.company > div:hover .underline{
  width: 100%;
}
.company > div:hover .cover{
  background-color: rgb(0,82,217, .6);
}
.company > div:hover img {
  transform: scale(1.05);
}

/* Tab页面 */
.tab {
  margin: 30px 0;
  background-color: rgb(27, 31, 37);
  width: 100%;
}
.tab-content {
  display: flex;
  justify-content: space-between;
  margin-left: 50%;
  color: #fff;
}
.tab .tab-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 30%;
/*   border: 1px #fff solid; */
}
.tab-bar .line {
  position: absolute;
  top: 30px;
  width: 5px;
  height: 30px;
  opacity: 0;
  background-color: rgb(0,82,217);
}
.tab-bar li.active .line {
  opacity: 1;
}
.tab-bar li {
  position: relative;
  padding: 20px 0;
  clear: both;
}
.tab-bar h3, .tab-bar p {
  margin-left: 10px;
  padding: 5px 0;
  color: rgb(255,255,255,.6);
}
.tab-bar h3 {
  font-size: 28px;
}
.tab-bar li.active h3, .tab-bar li.active p {
  margin-left: 30px;
  color: #fff;
}
.tab .img-content {
  width: 60%;
  max-width: 740px;
}
.text img {
  width: 50px;
  padding-top: 15px;
}
.tab-bar li img {
  opacity: 0;
}
.tab-bar li.active img {
  opacity: 1;
  margin-left: 20px;
}
.tab .img-content ul, .tab .img-content li {
  height: 100%;
}
.tab .img-content li {
  display: none;
}
.tab .img-content li.active {
  display: block;
}
.tab .img-content li > div {
  position: relative;
  float:left;
  width: 50%;
  height: 50%;
  overflow: hidden;
}
.tab .img-content img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.8);
}
.tab .img-content .long-img{
  float:left;
  width: 100%;
  height: 50%;
  overflow: hidden;
}
.tab .img-content .text {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 99;
  padding:20px;
  width: 100%;
}
.tab .img-content .text .text-title {
  display: flex;
  justify-content: space-between;
  width: 100%;
}
/* 箭头 */
.img-content .text .text-title img {
  position: relative;
  opacity: 0;
  width: 40px;
  margin-top: 7px;
  left: -15px;
  transition: all 0.25s;
}
.tab .img-content li > div.active .text .text-title img {
  left: 0;
  opacity: 1;
}
.tab .img-content .text h4 {
  font-size: 24px;
  padding:10px 0;
}
.tab .img-content li > div.active .text p {
  display: block;
}
.tab .img-content .text p {
  display: none;
}
.tab .img-content .active .text p {
  display: none;
}
.back-top {
  position: fixed;
  right:40px;
  bottom: -60px;
  z-index: 9999;
  width:60px;
  height: 60px;
  transform: rotate(-90deg);
  border: 1px rgb(0,82,217) solid;
  border-radius: 30px;
  cursor: pointer;
  line-height: 50px;
  text-align: center;
  background-color: #fff;
}
.back-top span {
  position: absolute;
  top: 2.5px;
  left: 25px;
  color: rgb(0,82,217);
}
.back-top:hover {
  background-color: rgb(0,82,217);
}
.back-top:hover span {
  color: #fff;
}